HA7d Sir Sydney Camm CBE.FRAeS Signed by M.H.B. Snelling (A)

9 Jan 78 BFPO 3 London CDS Postmark. Sir Sydney Camm Hawker Siddeley Aviation Chief Aircraft Designer who Designed the Hunter . Cover depicts Sir Sydney Camm and a Hawker Cygnet Hart Hurricane and Hunter aircraft of the RAF Museums Sir Sydney Camm Collection of Hawker Siddeley Aviation fling past at HSA Dunsfold in 1957. Flown from Holme on Spalding Moor in Hunter T8MXL 602. Take off at 1459 HRS. Climb to 10000 Ft Pressure error calibration with chase aircraft from 130 to 350 Kts.Aerobatic Manoeuvring to Evaluate Navhars Performance.High Speed Low Level Handling to 570 Kts.Roller Landing. Landed 1529 Hrs Pilot Mr H.B.Snelling AFCMAMRAeS. Personally Signed by HAS Test Pilot M.H.B.Snelling who made first Test Flight of Hunter T8MXL 602 ( for Sea Harrier development )details above. Black flight cachet and Dunsfold backstamp photo of Hunter T8MXL and details enclosed. Certified Cover no of 2050 Signed by Fulluck RAF museum.RAF Ref No HA7d